The study confirmed two major migrations through southeastern Europe, with early farmers from Anatolia spreading westward and a steppe population replacing northern Europe's population. The region remained a genetic contact zone between East and West until the Bronze Age.
Researchers at the University of Michigan discovered that fruit flies use external temperature to regulate their sleep cycles, which may provide insights into human sleep patterns. Mild changes in temperature have physiological effects on clock neurons that control sleep timing.
Researchers create a new approach to machine learning using a single-layer neural network that can analyze images with limited training data. The algorithm, called MS-D, requires far fewer parameters than traditional methods and has the ability to learn from a remarkably small set of images.
The Estée Lauder Companies presents research on new anti-aging compounds, including hydroxypinacolone retinoate (HPR) that improves skin appearance without irritation. Caffeine enhances epidermal hydration by increasing the transepithelial electric potential and electro-osmosis.
A team of researchers from Ruhr-University Bochum has discovered that the bacterium Streptomyces chartreusis produces 1,044 different substances, exceeding expectations. Many of these substances have pharmaceutical potential and could lead to new treatments for patients who suffer from iron overdose or aluminium toxicity.
Researchers at UNC and NC State developed a biodegradable hydrogel scaffold system to release combination chemo-immunotherapeutic drugs, significantly inhibiting cancer recurrence after primary tumor removal. The approach could work in other tissue types and has shown promising results in animal models.
A new study using ancient DNA analysis has found that human populations have been migrating and mixing extensively throughout history, with the Yamnaya people from Central Asia expanding rapidly to Europe, Britain, and beyond. The research also reveals a biased genetic exchange between farmers and hunter-gatherers in northern Europe.
Researchers created a composite material combining natural rubber with nanocarbons derived from compost, demonstrating improved electrical resistivity and potential applications as sealants and sensors. The study provides an eco-friendly alternative to carbon black fillers, which are commonly used in rubber products.
A UT Dallas team has addressed a long-standing problem in scanning tunneling microscopes, preventing tip crashes that can damage samples and forfeit valuable time. The breakthrough enables atomically precise manufacturing, leading to innovations in materials science, medicine, and computing.
Computer scientists and materials researchers developed a more accurate and objective method for classifying steel microstructures. The method uses machine learning to analyze microscope images and achieve accuracy of around 93%, surpassing conventional methods which only achieved 50% correct classification.
A phase 1/2 trial of larotrectinib found that three-quarters of patients with advanced cancers responded to the treatment, which targets a specific genetic mutation. The therapy has shown promise in treating pediatric patients with TRK-positive cancer, including infantile fibrosarcoma, and offers a potential cure for some cases.
Researchers discovered five new regions in the human genome associated with increased pancreatic cancer risk, including variants in genes that regulate cell growth and tumor suppression. The findings may lead to more targeted treatments and early detection screening for pancreatic cancer.
A new study by Queen Mary University of London aims to develop a 'beetroot pill' that could reduce the risk of kidney failure in patients undergoing coronary angiography. The research seeks to harness the antioxidant properties of dietary nitrate found in beetroot to prevent contrast-induced nephropathy, a common complication of the pr...
Researchers used CT technology to scan 13 Tasmanian tiger joey specimens, creating high-resolution 3D digital models that reveal the species' growth and development. The study sheds light on the evolution of the Tasmanian tiger's unique appearance, which resembles that of dogs and wolves.
A new study shows that a creative couples' intervention significantly improves communication in people with Alzheimer's and their caregivers. The 10-week program increased facilitative communication in caregivers and sociable communication in care receivers, leading to better understanding, intimacy, and reduced conflict.
A study found a strong correlation between midwife integration and better birth outcomes, with higher rates of vaginal births and breastfeeding. States with high midwife integration, such as Washington and Oregon, had lower rates of premature births, cesarean deliveries, and newborn deaths.
Physicist Andrea Pocar and his team at UMass Amherst designed a key part of the DarkSide-50 detector, achieving high sensitivity in detecting WIMPs. The detector's double-phase argon technique shows promise in searching for low-mass WIMPs.
A study found that e-cigarette heating coils release potentially hazardous levels of lead and other toxic metals into the aerosols vapers inhale. Chronic exposure to these metals can cause lung, liver, immune, cardiovascular, and brain damage, as well as cancer.
Two novel ocular hypotensive agents, netarsudil and latanoprostene bunod, have been approved for use in humans, reducing intraocular pressure with lasting results. These breakthrough drugs also show promise for treating dry eye disease and delivering ophthalmic drugs via microneedles.
A study published in Food Chemistry shows that reducing water usage for cherry tomato crops by 50% maintains quality and increases carotenoid levels. This technique can be applied to other crops, offering a sustainable solution for farmers and consumers.
Researchers are developing synthetic antimicrobial materials that target toxic bacteria while being biocompatible with healthy mammalian cells. The goal is to create new therapeutic platforms to combat multidrug-resistant bacterial infections.
Clemson University researcher Suyi Li is investigating how origami can be used to create new materials, including floor pads and building foundations that absorb vibrations in earthquakes. His work could lead to the development of new technologies with a range of applications.
A novel 'memtransistor' device developed by Northwestern University's Mark C. Hersam can process information and store memory like the human brain, potentially revolutionizing computing. The memtransistor combines characteristics of a memristor and transistor, operating with multiple terminals similar to neural networks.
A new U.S.-wide report card ranks all 50 states on their maternity care quality, revealing a strong connection between midwifery integration and improved birth outcomes. States with high midwifery integration scores tend to have lower rates of premature births, cesarean deliveries, and newborn deaths.
A recent study published in the Journal of Thrombosis and Thrombolysis found that prolonged TV viewing increases the risk of venous thromboembolism, a potentially fatal condition. The research, which analyzed data from over 15,000 Americans, suggests that even regular exercise is not enough to offset the risks of sedentary behavior.
The new smart contact lens can detect glucose levels in tears using built-in pliable electronics and wireless antenna. It offers a pain-free way to measure blood sugar levels, potentially reducing compliance issues among diabetic patients.
The studies reported an overall response rate of 75 percent for patients ages four months to 76 years with 17 different cancer diagnoses. Larotrectinib had rapid, potent, and durable anti-tumor activity in children and adults with solid tumors and TRK fusions.
Researchers developed a high-resolution nanometer-scale magnetic resonance imaging (MRI) technique, enabling unprecedented views of biological systems. The new method extends traditional MRI capabilities to the nanoscale, providing insights into Parkinson's and Alzheimer's diseases.
Under projected rates of sea level rise, Pacific coast tidal wetlands face devastating loss, with high- and mid-marsh habitats projected to be lost by the end of the century. Only low marsh habitats are likely to survive, even in California and Oregon.
A new study by Brigham and Women's Hospital researchers identifies a novel biomarker for coronary heart disease in women, oxidized lipids that are not associated with traditional risk factors. Women with the highest levels of this marker are 4 times more likely to develop CHD over several years.
A recent study suggests that lay-health workers can significantly reduce hospital readmission rates for high-risk patients after surgery. The study found a 47.7% relative reduction in 30-day hospital readmissions and a 56% decrease in odds of being readmitted within 30-days.
Research reveals that individuals with Alzheimer's disease who die from the condition itself tend to have less hospitalization and ICU stays compared to those who die from other causes. This contrasts with those who receive fewer palliative care services during their final months.
Scientists at Ecole Polytechnique Fédérale de Lausanne have created a method for tracking specific enzymes in cell compartments, helping identify their roles in various cancers. The biosensors reveal compartment-specific distributions of bioactive enzymes, which may aid the development of targeted cancer treatments.
A new study by Potsdam Institute for Climate Impact Research found that delaying global CO2 emission peak by five years between 2020 and 2035 could result in an additional 20 cm of sea-level rise by 2300. The researchers used a combined climate-sea-level model to analyze the impact of delayed mitigation on global sea-level rise.
Researchers found that social role, not causal influence, determines blame distribution in real life. The study tested this assumption in an online experiment with 209 test participants and found that bosses received more criticism than employees even when they didn't make the decision.
A systematic review and meta-analysis found that pediatric phase I cancer trials have improved outcomes for approximately 1 in 10 children, with a fatal drug-related complication rate of 2.09%. The study's results suggest refining risk/benefit assessments for these trials.
A Penn nursing study found that sex communication with parents is rarely discussed among gay, bisexual, and queer male adolescents, often being heteronormative and reactionary. The study suggests that targeted family-based sexual health discussions can minimize risk behaviors and improve overall health outcomes for this demographic.
A new study reveals that European cities will experience more frequent and severe heatwaves, droughts, and flooding due to climate change. Southern Europe will see the biggest increases in heatwave days and temperatures, while central Europe will face the greatest temperature increases during heatwaves.
Researchers have identified a new structure inside human sperm tails, which is essential for swimming and fertilization. The spiral-shaped feature helps coordinate the movement of motorproteins that propel the sperm forward.
Researchers observed CO gas associated with the galactic disk, but found it unaffected by the strong ionized gas outflow from the galactic center. This challenges the widely accepted idea that radiation from galactic centers influences molecular gas and star formation activities.
Researchers developed a device that combines metasurface lenses with MEMS technology, enabling fast scanning and beam steering. The integrated device can control the angular rotation of a flat lens and scan the focal spot by several degrees.
A study found that patients with advanced cancer were less capable of making treatment decisions than healthy adults, but doctors often overestimated their competence. The research suggests a shift in patient-doctor relationships, emphasizing the importance of respecting patient autonomy while ensuring decision-making capacity.
The USC-led ATLAS project has compiled a large dataset of brain scans from stroke patients, which is now available for download. Researchers are using this dataset to develop and test algorithms that can automatically process MRI images from stroke patients, aiming to identify biological markers for personalized treatment plans.
A team from TUM developed a methodology to observe ultrafast chemical processes with quintillionths of a second resolution. This allows for the control and influence of ionization dynamics, shedding light on photosynthesis and silicon ionization in computer chips.
A new nitrate sensor developed by Ruhr-University Bochum can analyze one drop of plant juice in seconds to determine optimal fertilization levels, resulting in improved crop yields and reduced waste. The sensor is linked to a cloud-based system that estimates regional fertilizer demand and provides farmers with real-time data.
A new e-Health platform has been developed to support healthy aging and prevent cardiovascular disease and dementia in the elderly. The HATICE trial involves over 2,500 participants aged 65 or older and aims to reduce risk factors through lifestyle changes and interactive guidance.
A new study published in PNAS found that extreme-altitude birds on the Himalayan Plateau and Altiplano plateau evolved similar traits to capture oxygen, despite different molecular blueprints. The study identified multiple ways for closely related species to produce the same functional outcome.
Researchers at Lancaster University have developed a new non-invasive technique to study brain function and its relation to aging. Preliminary results suggest that brain aging may begin earlier than expected, with declines in coherence between cerebrospinal fluid oscillations observed in participants over 25.
A neuroeconomics model suggests that valuing identity over accuracy leads to accepting incorrect information aligned with political party beliefs. Strategies to reduce this effect include creating a superordinate identity, engaging in constructive dialogue, and increasing the value of accurate beliefs.
Two clinical trials evaluate the frequency and type of adverse reactions to benznidazole in chronically infected adults. The studies found that the majority of adverse reactions (90%) were mild and appeared within the first month of treatment.
Researchers discovered that lipid asymmetry plays a key role in activating immune cells. By maintaining balance, the immune system can be controlled and potentially used to treat allergies, inflammation, or cancer. The study's findings suggest new avenues for treating these conditions by regulating membrane composition.
Researchers found the hybrid zone had moved north nearly 40 kilometers due to warming, impacting genetic composition and potential for gene flow. Climate change may lead to a loss of genetic variation, threatening population sizes of individual species.
Researchers found that very long-chain meibum is essential for preventing dry eye disease. Mice with deleted Elovl1 gene developed cloudy corneas and signs of dry eye disease after five months.
Research reveals that adults who received higher levels of parental care perceive themselves as more attractive mates. Maternal care is particularly associated with increased attractiveness as a partner for women and men.
Researchers found that non-selective ion channels, like the NaK channel, have a selectivity filter with sizeable dynamics, unlike selective channels. The study revealed two different forms of the selectivity filter, one for each ion type, which explains why the NaK channel can pass both sodium and potassium ions.
Research explores how gut bacteria respond to common changes in their habitat, revealing that bacterial species can go extinct when environments are altered even slightly. This understanding could lead to the design of targeted probiotics and therapies to make gut microbes more resilient.
The Massachusetts Institute of Technology was recognized as the top team, and five undergraduate students were named Putnam Fellows. The competition saw only 20% of participants earn a score above 13, with the highest score being 89 out of 120 points.
Researchers at Colorado State University have developed an empirical model that accurately predicts atmospheric river activity in the western US three weeks in advance. This breakthrough could enhance long-term weather forecasting capabilities, allowing for earlier warnings of extreme precipitation, floods, and droughts.
A US researcher has received a grant to investigate the role of ALCALM in lupus, a complex autoimmune disease. The study aims to understand how ALCALM drives the immune system to attack healthy tissues, and potentially find new treatments or even a cure for lupus.
A recent analysis of Medicare billing records reveals that hospital charges for outpatient oncology services can exceed Medicare payouts by twofold to sixfold. The study, published in the American Journal of Managed Care, emphasizes the need for fair and transparent pricing to protect vulnerable patients from financial burdens.